No abstract available
Publication types
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Research Support, Non-U.S. Gov't
MeSH terms
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England / epidemiology
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Humans
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Incidence
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Influenza, Human / epidemiology*
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London / epidemiology
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Multivariate Analysis
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Population Surveillance*
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Registries
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Retrospective Studies
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Seasons
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Stroke / epidemiology*
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Wales / epidemiology